Attention: Unless = if not E.g: The plant will die if you don’t water it = That plant will die unless you water it... Đảo ngữ câu điều kiện loại III: câu diều kiện không có IF Had
Trang 1CONDITIONAL SENTENCES
(Condition + result)
ZERO conditional ( sự thật hiển nhiên)
Form:
If + S + V s/es , S + V s/es
Use:
Facts which are generally true or scientific facts The condition always has the same result
E g: If your throat hurts, try salt water
If you freeze water, it becomes a solid
FIRST conditional (có khả năng xảy ra ở hiện tại hoặc tương lai)
Form:
If + S + Vs/es , S + will / can / shall + V.bare
Use:
A possible situation in the future or predicting a likely result (if the condition happens)
E.g: If I study hard, I will pass the exam
If he gets the job, he will move to a big city
SECOND conditional ( không thật ở hiện tại)
Form:
If + S + V2/ed , S + would / could / should + V.bare
Use:
Hypothetical or unlikely situations now or in the future
E.g: If I won the lottery, I would travel a lot
If I were you, I wouldn’t argue with my employer.
THIRD conditional ( không thật ở quá khứ)
Trang 2If + S + had + V3/ed , S + would / could / might + have + V3/ed
Use:
The person is imagining a different past
Imaginary situation that did not happen
E.g: If you had told me about the problem, I would have helped you
If I hadn’t been sick, I would have gone to your party
SECOND conditional + THIRD conditional (MIXED)
Form:
If + S +had + V3/ed , S + would / could / might + V.bare
Use:
a hypothesis about the past (condition) that has a consequence in the present (result)
E.g: If I had listened to your advice, I wouldn’t be in the mess now
If he had checked the map, he wouldn’t be lost
Attention:
Unless = if not
E.g: The plant will die if you don’t water it
= That plant will die unless you water it
Đảo ngữ câu điều kiện loại I: ( câu diều kiện không có IF)
Should + S + V.bare , S + will + V.bare
Trang 3E.g: If I were a billionaire, I would travel around the world.
->Were I a billionaire, I would travel around the world.
Nếu động từ chính trong mệnh đề “If” : động từ thường
Were + S + to + V.bare , S + would/ should + V.bare
E.g: If my mother stayed at home now, she would cook a lot of delicious food.
->Were my mother to stay at home now, she would cook a lot of delicious food.
Đảo ngữ câu điều kiện loại III: ( câu diều kiện không có IF)
Had + S + V3 , S + would/should + have + V3
E.g:
If you had gone to the cinema with me yesterday, you would have been satisfied with the film.
->Had you gone to the cinema with me yesterday, you would have been satisfied with the film.
If hehadn’t come on time, I would have stood in the rain.
->Had he not come on time, I would have stood in the rain.
TRANSFORMATION:
Câu nguyên nhân ( trước or, so/ that’s why, sau Because) -> IF
V1 -> second conditional (IF 2)
V2 -> third conditional (IF 3)
CÓ “NOT” > BỎ “NOT”
KHÔNG “NOT” -> THÊM “NOT”
E.g: Wedidn’t go on holiday because we didn’t have enough money (past simple)
-> If we had had enough money, we would have gone on holiday (IF 3)
Idon’t know her number, so I don’t ring her up
-> If Iknew her number, i would ring her up (IF 2)
Trang 4I Put the verbs in brackets in to the correct forms
1 The photograph would have been much better if it (be) lighter in the room
2 He (die) _ if the surgeon hadn’t operated on him
3 If ice (be) heavier than water, it wouldn’t float
5 If you had done as I talk you, you (succeed) _
6 If I followed his advice, I (be) a fool
7 If I (lose) _ my license, I shall lose my job
8 If he had gotten one more mark, he (pass) the exam
9 If I make a promise, I (keep) it
10 If they were rich, they (stay) _ at a hotel
11 If he had offered me the job, I (take) it
12 She will be angry if you (not, tell) _ the truth
13 Were he ten years younger, he (take) ……… part in the voyage around the world
14 Should you come late, they (not let) ……… you in
15 If it (not be) _ for you, I would be late
16 Were I to become president, my first act (be) to help the poor
17 If she hadn’t stayed up late last night, she (not / be) tired now
18 Had I known her address, I (go) _ to visit her
III Complete each of the following sentences in such a way that it means the same as the sentence
printed before it.
1 He doesn’t have the money so he cannot afford a new car
If………
2 Susan felt sick because she ate 4 cream cakes
If……….………
3 We didn’t know your phone number, so we could not contact you
If……….………
Trang 53 You wouldn’t be able to do this exercise if your English weren’t good.
Unless………
4 The fishermen couldn’t have caught a lot of fish if they hadn’t had good nets
Unless………
Exercise IV : Use “if” in place of “unless
6 I wouldn’t buy it unless I could afford it
If………
7 I would refuse to go unless they paid my expenses
If………
8 I don’t agree with his economic policy I wouldn’t vote for him unless he changed it
If………
8 He wouldn’t have written unless he had heard news
If……… …
10 You might not have a terrible toothache unless you went to the dentist regularly
If……….………
Exercise V: Rewrite these sentences by using the condition sentence:
1/ She can’t be employed because she doesn’t have a college degree
If……… 2/ I don’t have enough money I can’t go on a long holiday this year
If……… 3/ He is very slow, so we won’t give his such an important task
If……… 4/ I’ll have to work this Sunday, so I shan’t join your picnic
If……… 5/ He works overtime to get more money because he has to pay father’s debt
If……… 6/ City life isn’t enjoyable because everything is very expensive
If……… 7/ She got bad mark because she didn’t learn hard
If……… 8/ Be careful or you will make accidents
If……… 9/ I got lost because I forgot the map
Trang 6If……… 10/ If anyone didn’t come, we would phone you at once
Unless………
11/ They were very angry because their friends didn’t come on time
If……… 12/Keep silent or you’ll wake the baby up
If ……… … ……… 13/Stop talking or you won’t understand the lesson
If ……… …… ….…… 14/ I don’t know her number, so I don’t ring her up
If ……… ….…… 15/ I don’t know the answer, so I can’t tell you
If ……….……… 16/ We got lost because we didn’t have a map
If ……….…… …….…… 17/ Susan felt sick because she ate four cream cakes
If……… …… 18/ Without this treatment, the patient would have died
If……….… … 19/ He lost his job because he was late every day
If……… ……… 20/ Peter is fat because he eats so many chips
If……… …… 21/ Robert got a bad cough because he started smoking cigarettes
If……… ……